Dell OptiPlex SX270 - Manual (Page 45)

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Removing the Computer Cover
Dell™ OptiPlex™ SX270 Systems User's Guide
1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
3. Remove the cable cover, if it is attached.
4. Disconnect any telephone or telecommunication lines from the computer.
5. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
6. If your computer has the stand in the horizontal position, remove the stand.
7. Remove the computer cover.
a. Press the cover release button as shown in the illustration.
b. Slide the computer cover forward 1/2 inch (1 cm), or until it stops, and then raise the cover.
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CAUTION: Before you begin this procedure, follow the steps in " CAUTION: Safety Instructions ."
CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of
your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface. While you work, periodically touch an
unpainted metal surface to dissipate any static electricity that could harm internal components.
1 release button